FT-05 Dakota Group, Colorado Front Range
Society for Sedimentary Geology (SEPM) - Rocky Mountain Section
Thursday, 30 September 2021, 8:00 a.m.–5:00 p.m. | Golden, Colorado
To revisit some of the outcrops of the Dakota Group described by Bob Weimer and Cooper Land in their landmark paper on the Dakota Group Stratigraphy along the Colorado Front Range in the Golden-Morrison area.
It has been nearly 50 years since Bob Weimer and Cooper Land (1972) published their landmark paper on the Dakota Group Stratigraphy along the Colorado Front Range in the Golden-Morrison area. Their work focused on describing and interpreting the Dakota Group along a 7-mile long stretch between Turkey Creek (Highway 285) and a new exposure that was created when Interstate 70 was built through the Dakota Hogback just a few miles south of Golden. Their descriptions and interpretations of these outcrops are still used by petroleum geologists working in the adjacent Denver Basin.
Since 1972, more than 263 MBO and 2.3 TCF have been produced from the Dakota Group; mostly from the upper “J” Sandstone Member. Also, since 1972, thousands of wells have been drilled, several dozen cores have been collected, and numerous studies have been conducted to better understand the Dakota Group. Although the original Weimer and Land models have been tweaked, they have stood the test of time extremely well.
This field trip will revisit some of the outcrops of the Dakota Group along this 7-mile long stretch of the Dakota Hogback. The trip leaders will supplement outcrop observations with subsurface observations using posters.
Depart from the Denver Conference Center at 8am and head to the field. We will visit several outcrops that are readily accessible. We will safely walk along wide shoulders adjacent to roads, and at one outcrop will be walking along a well-traveled terrace 40’ above the highway.
After visiting all outcrops trip will be end at the Denver Conference Center at 5pm.
- $250 per person
- Students: $100 (limit 3)
- 30 People
- Ground Presentation
- Lunch and beverages
- Field trip guidebook
Departs from and returns to the Denver Convention Center
Note: Transportation to the Denver Convention Center is not included in the cost of this trip. Temperatures can range from 30-60 degrees Fahrenheit during this time period. Please dress accordingly. Closed toed sturdy shoes are recommended for this trip.